Math Problem Statement
Assinale a alternativa que determina corretamente o domínio D da função ln(2−2x2−5y2) . Questão 2Escolha uma opção: a. ln(2−2x2−5y2)⇒2−2x2−5y2≥0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} b. ln(2−2x2−5y2)⇒2−2x2+5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2<2x2+5y2} c. ln(2−2x2−5y2)⇒−2−2x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} d. ln(2−2x2−5y2)⇒2−2x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} e. ln(2−2x2−5y2)⇒2−x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2}
Solution
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Math Problem Analysis
Mathematical Concepts
Logarithmic Functions
Inequalities
Quadratic Expressions
Domain of a Function
Formulas
ln(f(x, y))
2 - 2x^2 - 5y^2 > 0
x^2 + (5/2)y^2 < 1
Theorems
Domain of Logarithmic Functions
Ellipse Equation
Suitable Grade Level
Undergraduate Level (Calculus or Pre-Calculus)